Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 118, NWS Twin Cities, MN

May 30, 1998Kanabec County, Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1998, 9:31 PM CDT for Kanabec County, Mille Lacs County, Minnesota. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 30, 1998, 9:31 PM CDT (02:31 UTC)
Expired: May 30, 1998, 10:30 PM CDT
In force: 59 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Kanabec County, MN, Mille Lacs County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 122 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1397 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1452 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 349 m²/s²
0-3 km storm-relative helicity: 357 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

439 
WUUS1 KMSP 310232 RRA
SVRMSP
MNC065-095-310330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
931 PM CDT SAT MAY 30 1998

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KANABEC COUNTY IN EAST CENTRAL MINNESOTA
  NORTHERN MILLE LACS COUNTY IN CENTRAL MINNESOTA

* UNTIL 1030 PM CDT

* AT 930 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM NEAR RUM
  RIVER OR 20 MILES NORTHWEST OF MILACA.  THE STORM WAS MOVING EAST
  AT 35 MPH.

* SOME LOCATIONS AFFECTED
    PAGE
    ONAMIA
    OGILVIE
    MORA

THIS IS A DANGEROUS STORM...WITH LARGE HAIL.  STAY INDOORS AWAY
FROM WINDOWS.

JMP

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 30, 8:10 PM CDT, 1 hour 21 minutes before

MNZ047-048-310300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
810 PM CDT SAT MAY 30 1998

...TORNADO WATCH NUMBER 468 CANCELED FOR A SMALL PART OF WEST
CENTRAL MINNESOTA...

THE TORNADO WATCH HAS BEEN CANCELLED FOR STEVENS AND POPE COUNTY OF
WEST CENTRAL MINNESOTA.  THE SEVERE THUNDERSTORMS HAVE MOVED SOUTH
OF THESE COUNTIES.  THE TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF
THE SOUTHERN HALF OF THE STATE UNTIL 10 PM.
BAP

Special weather statement, May 30, 8:10 PM CDT, 1 hour 21 minutes before

MNZ047-048-310300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
810 PM CDT SAT MAY 30 1998

...TORNADO WATCH NUMBER 468 CANCELED FOR A SMALL PART OF WEST
CENTRAL MINNESOTA...

THE TORNADO WATCH HAS BEEN CANCELLED FOR STEVENS AND POPE COUNTY OF
WEST CENTRAL MINNESOTA.  THE SEVERE THUNDERSTORMS HAVE MOVED SOUTH
OF THESE COUNTIES.  THE TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF
THE SOUTHERN HALF OF THE STATE UNTIL 10 PM.
BAP

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 30, 7:05 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Swift	55 min
May 30, 7:18 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	57 min
May 30, 7:30 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	45 min
May 30, 7:34 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	56 min
May 30, 7:45 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	45 min
May 30, 7:58 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	62 min
May 30, 8:12 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Yellow Medicine	48 min
May 30, 8:16 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	44 min
May 30, 8:26 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	64 min
May 30, 8:39 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	51 min
May 30, 8:46 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison	44 min
May 30, 8:59 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Meeker, Renville, Stearns	61 min
May 30, 8:59 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	61 min
May 30, 9:26 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	34 min
May 30, 9:47 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Wright	58 min
May 30, 9:47 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet, Sibley	58 min
May 30, 9:54 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti	61 min
May 30, 10:23 PM CDT	Severe Thunderstorm Warning	MPX	Carver	37 min
May 30, 10:31 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	44 min
May 30, 10:34 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Scott	51 min
May 30, 10:39 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	46 min
May 30, 10:54 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	46 min
May 30, 11:05 PM CDT	Severe Thunderstorm Warning	MPX	Rice, Steele, Waseca	40 min
May 30, 11:05 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	40 min
May 30, 11:29 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	31 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.